A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 5975-01-572-2540
NSN 5905-00-599-4661
NSN 5855-01-611-0896
NSN 6105-00-802-2046
NSN 6135-01-631-4483
NSN 5905-01-381-2552
NSN 5975-01-529-0340
NSN 5975-01-359-1590
NSN 5998-00-212-4406
NSN 6135-01-469-7574
NSN 5895-00-166-0962
NSN 6110-01-542-6568